Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
IJH vs IWB: how they differ
IJH and IWB hold 4% of their weight in the same names, and IWB returned more over the year.
iShares Core S&P Mid-Cap ETF and iShares Russell 1000 ETF.
What they hold in common
By the books each fund has filed, IJH and IWB hold 4% of their money in the same securities at the same weight.
| Holding | IJH | IWB |
|---|---|---|
| TWILIO INC | 0.86% | 0.04% |
| CARPENTER TECHNOLOGY CORP | 0.85% | 0.04% |
| MKS INC | 0.83% | 0.04% |
| CURTISS-WRIGHT CORP | 0.77% | 0.04% |
| ATI INC | 0.74% | 0.04% |
| ENTEGRIS INC | 0.76% | 0.04% |
| ILLUMINA INC | 0.73% | 0.04% |
| MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC | 0.69% | 0.04% |
| MASTEC INC | 0.71% | 0.04% |
| WOODWARD INC | 0.70% | 0.04% |
| EVERPURE INC | 0.69% | 0.04% |
| STERLING INFRASTRUCTURE INC | 0.71% | 0.04% |
| Only in IJH | Only in IWB |
|---|---|
| NVENT ELECTRIC PLC 0.76% | NVIDIA CORPORATION 6.73% |
| TECHNIPFMC PLC 0.73% | APPLE INC. 6.03% |
| FABRINET 0.56% | MICROSOFT CORPORATION 4.00% |
| ROIVANT SCIENCES LTD 0.44% | AMAZON.COM, INC. 3.33% |
| JAZZ PHARMACEUTICALS PLC 0.42% | ALPHABET INC. 3.00% |
| RENAISSANCERE HOLDINGS LTD 0.37% | BROADCOM INC. 2.54% |
| MOOG INC 0.33% | ALPHABET INC. 2.42% |
| CYTOKINETICS INC 0.32% | MICRON TECHNOLOGY, INC. 1.88% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.
| IJH iShares Core S&P Mid-Cap ETF | IWB iShares Russell 1000 ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | S&P MidCap 400 | Russell 1000 |
| Total return, 1 year | +13.4% | +16.7% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −4.1 pts | −0.8 pts |
| Expense ratio | 0.05% | 0.15% |
| Already in the S&P 500 | 0.0% | 91.9% |
| Holdings | 400 | 1024 |
IJH in plain words
IJH is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.4% below its high of Aug 14, 2026 on Sep 11, 2026.
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Jun 30, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1024 positions, with the top ten at 33.5%.
Questions people ask
- Which returned more over the last year, IJH or IWB?
- In the year to Sep 12, 2026, with distributions reinvested, IJH returned +13.4% and IWB returned +16.7%, so IWB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, IJH or IWB?
- IJH charges 0.05% a year and IWB charges 0.15%, so IJH is cheaper. Fees come from each fund's prospectus.
- How much do IJH and IWB overlap with the S&P 500?
- By their latest filed holdings, 0% of IJH and 92% of IWB by weight is stocks the S&P 500 already holds. Between the two funds, 4% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IJH against IWB, data as of Sep 12, 2026. https://etfiq.com/compare/any/IJH-IWB Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources